/Engine/Plugins/Runtime/MassGameplay/Source/MassSpawner/Public/MassSpawnerSubsystem.h
[UMassProcessor](API\Plugins\MassEntity\UMassProcessor) * GetSpawnDataInitializer ( [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [UMassProcessor](API\Plugins\MassEntity\UMassProcessor) > InitializerClass )